The mismatch between the types of housing currently available and the types that people need is especially apparent here in the Bay Area, with its soaring housing prices, overwhelming rent burdens and indomitable homelessness crisis. But across the country, people are looking for housing options that shape affordable, walkable and desirable neighborhoods. Enter missing middle housing, such as duplexes and fourplexes.

Hear from the author of the new book, Missing Middle Housing, as he beautifully illustrates how these housing types, when designed well, can be a powerful tool to create the communities that people both want and can afford.